<template>
  <div class="app-container">
    <!-- 顶部header区域 -->
    <mt-header fixed title="起航·鹦鹉螺">
		 <span slot="left" @click="goBack" v-show="flag">
			<mt-button icon="back">返回</mt-button>
		</span>
	</mt-header>

    <!-- 中间router-view区域 -->
			<!-- 用transition来实现切换动画效果 -->
	<transition>
		<router-view></router-view>
	</transition>
	
    <!-- 底部tabar区域 --> 
    <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item-ly" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item-ly" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item-ly" to="/shopcar">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart">
				<span class="mui-badge" id="badge">{{ $store.getters.getAllCount }}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item-ly" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
  </div>
</template>

<script>
export default {
	data(){
		return {
			flag:false
		}
	},
	created(){
		this.flag = this.$route.path === '/home' ? false:true
	},
	methods:{
		goBack(){
			// 点击后退   ----历史操作
			this.$router.go(-1);
		}
	},
	watch:{
		'$route.path':function(newVal){
			if(newVal === '/home'){
				this.flag = false
			} else{
				this.flag = true
			}
		}
	}
}
</script>


<style lang="scss" scoped>
	.mint-header {
		z-index: 999;
	}
	.app-container {
    padding-top: 40px;
	padding-bottom: 50px;
	overflow-x: hidden;
		.mint-header {
			font-size: 20px;
		}
  	}
	.v-enter {
		opacity: 0;
		transform: translateX(100%);
	}
	.v-leave-to {
		opacity: 0;
		transform: translateX(-100%);
		position: absolute;
	}
	.v-enter-active,
	.v-leave-active {
		transition: all 0.8s ease;
	}

	// 该类名解决tabbar点击无法切换的问题
	.mui-bar-tab .mui-tab-item-ly .mui-active {
		color: #007aff;
	}
	.mui-bar-tab .mui-tab-item-ly {
		display: table-cell;
		overflow: hidden;
		width: 1%;
		height: 50px;
		text-align: center;
		vertical-align: middle;
		white-space: nowrap;
		text-overflow: ellipsis;
		color: #929292;
	}
	.mui-bar-tab .mui-tab-item-ly .mui-icon {
		top: 3px;
		width: 24px;
		height: 24px;
		padding-top: 0;
		padding-bottom: 0;
	}
	.mui-bar-tab .mui-tab-item-ly .mui-icon~.mui-tab-label {
		font-size: 11px;
		display: block;
		overflow: hidden;
		text-overflow: ellipsis;
	}
</style>


